SIO15-SS1 20: Topic 17: Heat Waves and Great Storms SIO15-SS1 20: - - PowerPoint PPT Presentation

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Jul 02, 2023 246 likes •536 views

SIO15-SS1 20: Topic 17: Heat Waves and Great Storms SIO15-SS1 20: Topic 17: Heat Waves and Great Storms SIO15-SS1 20: Topic 17: Heat Waves and Great Storms SIO15-SS1 20: Topic 17: Heat Waves and Great Storms highest T (global): 58C (136F)

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

highest T (global): 58ºC (136ºF) Libya (until 2012) (N.A.): 57ºC (134ºF) Death Valley, CA lowest T (global): -89ºC (-129ºF) Vostok, Antarctica (N.A.): -63ºC (-81ºF) Yukon, Canada Mercury: day: 427ºC night: -173ºC Venus: day/night: 462ºC (865ºF) Mars: day: 20ºC night: -140ºC top of troposphere: -60ºC (-80ºF)

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Heat is s cu curre rrently y #1 ki killer and co cost sts s mo most st!

deadly 2003 European heat wave deadly 2010 Russia heat wave

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

high crime rate

> people afraid of opening windows

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

humid air: sweat can’t evaporate

Fig 13.10

Urban heat island:

* Paved surfaces retain heat * Lack of trees

> no evaporation

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Fig 13.33

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Massi ssive ve dust st st storms rms

Aggre ressi ssive ve Ag Agri ricu culture re

Soil Ero Erosi sion (a (acro cross ss At Atlantic) c)

In U.S. S., it take kes s 30 ye year r to Gro row 1 inch ch of topso soil

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

greatest cold wave in U.S.: 10-14 Feb 1899 (Tallahassee -2ºF ; snow in New Orleans, 6.8ºF; ice floes into Gulf of Mexico) 100 deaths

also known as: “Great Arctic Outbreak of 1899” “Great Blizzard of 1899”

source: Wikipedia

Snowball fight at Capitol Tallahassee

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Fig 13.19

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms source: S.D. Union Tribune

Arctic air mass from Siberia more typical for mid- January

100s schools closed in

northern New England

Chicago 7ºF (for date, 1986)
St. Louis 11ºF (for date, 1911)
snowfall records in Buffalo, Detroit
dust of snow in Memphis, TN
early frozen lakes in MN

11/13/19

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

jet streams steer air masses/storms

source: S.D. Union Tribune

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms source: NSF/Wikipedia

2014 “Polar Vortex” event

Dec 1 – Apr 10
$5 billion damage
21 fatalities
200 M people affected

(transportation/electricity) record T broken 5-7 Jan: (7 Jan, > 49 record lows across country) Green Bay, WI -18ºF (1979) Chicago O’Hare, -16ºF (1184/1988) Babbitt, MN -37ºF coldest in U.S. 6 Jan Atlanta, GA 6ºF (1970) Dallas, TX 16ºF (??)

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Fig. 13.24

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SIO15-SS1 20: Topic 17: Heat Waves and Great Storms

Fig. 13.29

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